{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3829",
    "entityType": "User",
    "nonce": "0xc244e720e6e071180c959dde1f1c4b0989bc92cec89d17180305f07bffbeed6e",
    "signature": "0x4b9517b8a45f78eaf358e6c3a6e13c7921b9e7a90bff4897a838362c03f7f61a57538da35d2253a3763839303ef282d2258789dcc044c7c51df3b28a31d2184b1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}